Patent US2031353A successfully refreshed from Google Patents.
Patent US2734668A successfully refreshed from Google Patents.
US2734668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
gardes
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
D; D01; D01G; D01G23/00; D01G23/02; D01G23/04; D01G23/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US295233A
Cited
US428731A
Cited
US560659A
Cited
US769805A
Cited
US777950A
Cited
US941354A
Cited
US996224A
Cited
US1028672A
Cited
US1191663A
Cited
US1202259A
Cited
US1222603A
Cited
US1414870A
Cited
US1851431A
Cited
US1612590A
Cited
US2070349A
Cited
US2166484A
Cited
US2445501A
Cited
US2611465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |